Tap water in Hillsboro, OR — ZIP 97123
2 public water systems serving about 317,232 people.
A
Excellent
Water systems serving 97123
Tualatin Valley Water District
PWSID OR4100665 · serves 224,600 ·
surface water
0 health-based / 0 total violations (5 yrs)
Hillsboro, City Of
PWSID OR4101513 · serves 92,632 ·
surface water
0 health-based / 1 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology